In the present work we describe a new expression of total stress taking into account the passive and active contributions but especially the pore level stress.Special attention is paid to the effective stress and osmo...In the present work we describe a new expression of total stress taking into account the passive and active contributions but especially the pore level stress.Special attention is paid to the effective stress and osmotic pressure gradient in numerical simulation to understand the mechanical behavior of the human arterial wall.The new model aims to predict the rigidity of the artery,by using the theoretical model of hyper-elastic,anisotropic and dynamical behavior of human common carotid artery.The principal obtained result showed that:the osmosis phenomenon is the best parameter to explain the loss water in arterial tissue.This loss of water causes the rigidity of the artery which thus can be controlled by the osmosis phenomenon.All the results are in good agreement with the expected results of the literature and could play the important role in the diagnosis of the patients with the CVD(Cardiovascular Disease).展开更多
文摘In the present work we describe a new expression of total stress taking into account the passive and active contributions but especially the pore level stress.Special attention is paid to the effective stress and osmotic pressure gradient in numerical simulation to understand the mechanical behavior of the human arterial wall.The new model aims to predict the rigidity of the artery,by using the theoretical model of hyper-elastic,anisotropic and dynamical behavior of human common carotid artery.The principal obtained result showed that:the osmosis phenomenon is the best parameter to explain the loss water in arterial tissue.This loss of water causes the rigidity of the artery which thus can be controlled by the osmosis phenomenon.All the results are in good agreement with the expected results of the literature and could play the important role in the diagnosis of the patients with the CVD(Cardiovascular Disease).
